﻿#include "HP_Modbus.h"
#include <QDir>
#include <QDebug>
#include <QTimer>

AcqPressure::AcqPressure()
{  
    isConnect=false;
}

AcqPressure::~AcqPressure()
{

}

bool AcqPressure::Connect()
{
    if(!isRunning())
    {
        this->start();
        return  true;
    }
    else
    {
        return  false;
    }
}

bool AcqPressure::DisConnect()
{
    if(!isRunning())
        return true;
    isBreakThread=true;
    int delayCunt=0;
    while(isBreakThread)
    {
        delaymsec(10);
        delayCunt++;
        if(delayCunt>300)   //延时3秒
        {
            return false;
        }
    }
    wait();
    return  true;
}

void AcqPressure::SetParam(QByteArray buff)
{
    SendParambuff=buff;
    isSetParam=true;
}

bool AcqPressure::AutoOpen(QSerialPort *comPort)
{
    comPort->setPortName(s_HP.Port);
    comPort->setBaudRate(s_HP.BaudRate);
    comPort->setDataBits(QSerialPort::DataBits(s_HP.DataBits));
    comPort->setStopBits(QSerialPort::StopBits(s_HP.StopBits));
    comPort->setParity(QSerialPort::Parity(s_HP.Parity));
    //comPort->setFlowControl(QSerialPort::HardwareControl);//HardwareControl//NoFlowControl
    comPort->setReadBufferSize(100000);
    if(comPort->open(QIODevice::ReadWrite))
        return true;
    else
        return false;
}

void AcqPressure::run()
{
    isConnect=false;
    recvbuff.clear();

    QSerialPort comPort;
    if(!AutoOpen(&comPort))
    {
        return;
    }
    isConnect=true;

    QByteArray sendbuff;
    sendbuff.append(0x01);
    sendbuff.append(0x03);
    sendbuff.append(0x9C);
    sendbuff.append(0x40);
    sendbuff.append(uchar(0x00));
    sendbuff.append(0x0C);
    uint crc=crc16ForModbus((uchar*)sendbuff.data(),sendbuff.size());
    sendbuff.append((crc&0xFF00)>>8);
    sendbuff.append(crc&0x00FF);


    //设置频率
    QDateTime lastTime = QDateTime::currentDateTime();

    //设置超时
    int outTime=0;
    while(1)
    {
        delaymsec(3);
        if(isBreakThread)
        {
            isBreakThread=false;
            break;
        }

        if(!comPort.isOpen())
        {
            isConnect=false;
            continue;
        }
        //是否开始
        if(!isStart) continue;
        //设定发送频率
        if(QDateTime::currentDateTime().toMSecsSinceEpoch()-lastTime.toMSecsSinceEpoch()<1000/Fre) //
        {
            continue;
        }
        lastTime=QDateTime::currentDateTime();
        comPort.write(sendbuff);
        recvbuff.clear();
        outTime=0;
        do
        {
            delaymsec(1);
            //判断超时,2秒未收到数据跳出
            outTime++;
            if(outTime>2000)
                break;
            if(comPort.bytesAvailable()<=0)
                continue;
            recvbuff.append(comPort.readAll());
            if(uchar(recvbuff[0])==0x01&&uchar(recvbuff[1])==0x03&&recvbuff.size()>=29)
            {
                uint crc=(uchar)recvbuff[27]*0x100+(uchar)recvbuff[28];
                QByteArray crcbuff=recvbuff.remove(27,2);
                if(crc!=crc16ForModbus((uchar*)crcbuff.data(),27))
                    break;
                if(uchar(recvbuff[2])==0x18)
                {
                    //处理正确的数据
                    //41a40000->20.5
                    int d=(uchar)recvbuff[eDataAddr::Value]*0x1000000
                                  +(uchar)recvbuff[eDataAddr::Value+1]*0x10000
                                  +(uchar)recvbuff[eDataAddr::Value+2]*0x100
                                  +(uchar)recvbuff[eDataAddr::Value+3];
                    s_HpData.Value=*((float *)&d);

                    d=(uchar)recvbuff[eDataAddr::HigLmt]*0x1000000
                            +(uchar)recvbuff[eDataAddr::HigLmt+1]*0x10000
                            +(uchar)recvbuff[eDataAddr::HigLmt+2]*0x100
                            +(uchar)recvbuff[eDataAddr::HigLmt+3];
                    s_HpData.Up=*((float *)&d);

                    d=(uchar)recvbuff[eDataAddr::LowLmt]*0x1000000
                            +(uchar)recvbuff[eDataAddr::LowLmt+1]*0x10000
                            +(uchar)recvbuff[eDataAddr::LowLmt+2]*0x100
                            +(uchar)recvbuff[eDataAddr::LowLmt+3];
                    s_HpData.Down=*((float *)&d);

                    d=(uchar)recvbuff[eDataAddr::CompValue]*0x1000000
                            +(uchar)recvbuff[eDataAddr::CompValue+1]*0x10000
                            +(uchar)recvbuff[eDataAddr::CompValue+2]*0x100
                            +(uchar)recvbuff[eDataAddr::CompValue+3];
                    s_HpData.Compare=*((float *)&d);

                    d=(uchar)recvbuff[eDataAddr::Acc]*0x1000000
                            +(uchar)recvbuff[eDataAddr::Acc+1]*0x10000
                            +(uchar)recvbuff[eDataAddr::Acc+2]*0x100
                            +(uchar)recvbuff[eDataAddr::Acc+3];
                    s_HpData.Acc=*((float *)&d);

                    s_HpData.Range=(uchar)recvbuff[eDataAddr::Range]*0x100
                            +(uchar)recvbuff[eDataAddr::Range+1];

                    s_HpData.unit=(uchar)recvbuff[eDataAddr::Unit]*0x100
                            +(uchar)recvbuff[eDataAddr::Unit+1];

                    s_HpData.Rcords=(uchar)recvbuff[eDataAddr::Record]*0x100
                            +(uchar)recvbuff[eDataAddr::Record+1];

                    emit SigAcqpre();
                }
            }
            break;
        }
        while(1);

        if(isSetParam)
        {
            isSetParam=false;
            comPort.write(SendParambuff);
        }
    }
    isConnect=false;
    if(comPort.isOpen())
    {
        comPort.clear();
        comPort.close();
    }
}

void AcqPressure::delaymsec(int msec)
{
    qint64 dieTime = QDateTime::currentDateTime().toMSecsSinceEpoch();
    while( QDateTime::currentDateTime().toMSecsSinceEpoch()-dieTime < msec )
    {
        QCoreApplication::processEvents(QEventLoop::AllEvents,100);
        QThread::msleep(1);
    }
}

quint16 AcqPressure::crc16ForModbus(unsigned char *puchMsg, unsigned short usDataLen)
{
    static unsigned char auchCRCHi[] =
    {
        0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
        0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
        0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
        0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
        0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
        0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
        0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
        0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
        0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
        0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
        0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
        0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
        0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
        0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
        0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
        0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x4
    } ; /* CRC 低位字节值表*/
    static unsigned char auchCRCLo[] =
    {
        0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2,0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04,
        0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E,0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8,
        0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC,
        0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6,0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10,
        0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32,0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
        0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE,0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38,
        0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA,0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C,
        0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0,
        0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62,0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4,
        0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE,0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
        0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C,
        0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7, 0xB6, 0x76,0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0,
        0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54,
        0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E,0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98,
        0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A,0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
        0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86,0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80, 0x40
    } ;

    unsigned char uchCRCHi = 0xFF ; /* 高 CRC 字节初始化 */ unsigned char uchCRCLo = 0xFF ; /* 低 CRC 字节初始化 */
    unsigned uIndex ;
    while (usDataLen--) /* 传输消息缓冲区 */
    {
        uIndex = uchCRCHi ^ *puchMsg++ ; /* 计算 CRC */
        uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex] ;
        uchCRCLo = auchCRCLo[uIndex] ;
    }
    return (uchCRCHi << 8 | uchCRCLo) ;
}
